Bon Jovi is a hard rock band from Sayreville; New Jersey. Fronted by lead singer and namesake Jon Bon Jovi; the group originally achieved large-scale success in the 1980s. Over the past 25 years; Bon Jovi has sold over 120 million albums worldwide; including 34 million in the United States alone. Bon Jovi formed in 1983 with lead singer Jon Bon Jovi; guitarist Richie Sambora; keyboardist David Bryan; bassist Alec John Such; and drummer Tico Torres. Other than the departure of Alec John Such in 1994 (which pared the lineup down to a quartet); the lineup has remained the same for the past 25 years. "I'll Be There for You" is a Billboard Hot 100 number-one single written by Jon Bon Jovi and Richie Sambora and performed by American rock band Bon Jovi. It is frequently sung by Sambora live.Bon Jovi is a hard rock band from Sayreville; New Jersey. Fronted by lead singer and namesake Jon Bon Jovi; the group originally achieved large-scale success in the 1980s. Over the past 25 years; Bon Jovi has sold over 120 million albums worldwide; including 34 million in the United States alone. Bon Jovi formed in 1983 with lead singer Jon Bon Jovi; guitarist Richie.